?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+VARIASI+KOMPOSISI+BASALT+TERHADAP+PEMBENTUKAN+CELLULAR+GLASS+CERAMIC++MELALUI+METODE+DIRECT++FOAMING+&rft.creator=NUR+%2C+ANNISA&rft.subject=530+Fisika&rft.description=Dalam+era+konstruksi+modern%2C+kebutuhan+akan+gedung+tinggi+sebagai+solusi+efisien+lahan+perkotaan+semakin+mendesak.+Oleh+karena+itu+diperlukan+solusi+inovatif+dengan+menggunakan+material+ringan%2C+seperti+cellular+glass+ceramic%2C+untuk+mengatasi+beban+struktural+tinggi%2C+meningkatkan+efisiensi+energi%2C+dan+menyederhanakan+proses+konstruksi+pada+gedung+tinggi.+Penelitian+ini+menggunakan+metode+direct+foaming+dengan+variasi+bahan+polyurethane+(PU)+sebesar+30%25%2C+40%25%2C+dan+50%25+sebagai+bahan+pembusa.+Batu+basalt+berasal+dari+Mataram+Baru%2C+Lampung+Timur.+Sedangkan+fly+ash+berasal+dari+PLN+Tarahan%2C+Lampung+Selatan.+Sampel+dilakukan+variasi+komposisi+50%3A50%25%2C+60%3A40%25%2C+70%3A30%25%2C+80%3A20%25%2C+dan+90%3A10%25.+Proses+dilakukan+dengan+pemanasan+pada+suhu+400%C2%B0C%2C+700%C2%B0C%2C+dan+950%C2%B0C+selama+2+jam%2C+dengan+pendinginan+di+dalam+tungku.+Hasil+karakterisasi+dan+uji+mekanis+serta+fisis+menunjukkan+bahwa+cellular+glass+ceramic+yang+dibuat+dengan+bahan+basalt+dan+fly+ash+dengan+polyurethane+foam+sebagai+foaming+agent+memberikan+hasil+yang+didominasi+oleh++SiO_2%2C+AI_2+O_3%2C+Fe_2+O_3+dan+CaO+dengan+fase+kristal+tertinggi+yaitu+anorthite%2C+albite%2C+dan+nepheline.+Dalam+konteks+kuat+tekan%2C+sampel+yang+didominasi+oleh+basalt+menunjukkan+kuat+tekan+yang+semakin+besar.+Hasil+karakterisasi+SEM+pada+sampel+50B7F3+menunjukkan+jumlah+pori+tertinggi+dengan+ukuran+%E2%89%A4+1mm+sekitar+80%25+dan+%E2%89%A5+1+mm+sekitar+20%25.%0D%0AKeywords%3A+cellular+glass+ceramic%2C+basalt%2C+fly+ash+%2C+foaming+agent%2C+polyurethane.+%0D%0AIn+the+modern+construction+era%2C+the+need+for+tall+buildings+as+an+efficient+solution+for+urban+land+is+increasingly+urgent.+Therefore%2C+innovative+solutions+are+needed+using+lightweight+materials%2C+such+as+cellular+glass+ceramic%2C+to+overcome+high+structural+loads%2C+increase+energy+efficiency%2C+and+simplify+the+construction+process+in+tall+buildings..+This+research+uses+the+direct+foaming+method+with+variations+in+polyurethane+(PU)+material+of+30%25%2C+40%25+and+50%25+as+the+foaming+agent.+Basalt+stone+comes+from+Mataram+Baru%2C+East+Lampung.+Meanwhile%2C+fly+ash+comes+from+PLN+Tarahan%2C+South+Lampung.+Samples+had+composition+variations+of+50%3A50%25%2C+60%3A40%25%2C+70%3A30%25%2C+80%3A20%25%2C+and+90%3A10%25.+The+process+is+carried+out+by+heating+at+temperatures+of+400%C2%B0C%2C+700%C2%B0C%2C+and+950%C2%B0C+for+2+hours%2C+with+cooling+in+the+furnace.+The+results+of+characterization+and+mechanical+and+physical+tests+show+that+cellular+glass+ceramic+made+from+basalt+and+fly+ash+with+polyurethane+foam+as+a+foaming+agent+gives+results+that+are+dominated+by+SiO_2%2C+AI_2+O_3%2C+Fe_2+O_3+and+CaO+with+the+highest+crystal+phases%2C+namely+anorthite%2C+albite+and+nepheline.+In+the+context+of+compressive+strength%2C+samples+dominated+by+basalt+show+greater+compressive+strength.+The+SEM+characterization+results+on+sample+50B7F3+show+the+highest+number+of+pores+with+a+size+of+%E2%89%A4+1mm+around+80%25+and+%E2%89%A5+1+mm+around+20%25.%0D%0AKeywords%3A+cellular+glass+ceramic%2C+basalt%2C+fly+ash+%2C+foaming+agent%2C+poliuretan.+%0D%0A&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+&rft.date=2023-01-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F78497%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F78497%2F3%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F78497%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++NUR+%2C+ANNISA++(2023)+PENGARUH+VARIASI+KOMPOSISI+BASALT+TERHADAP+PEMBENTUKAN+CELLULAR+GLASS+CERAMIC+MELALUI+METODE+DIRECT+FOAMING.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM+%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F78497%2F